#container{
    width: 1280px;
    height:4690px;
    background: aliceblue;}

#top{
    width: 1280px;
    height:584px;
    background: darkcyan ;}


.nav{
    width: 1280px;
    height: 80Px;
    background: #060606;
    opacity: 20%;
}
.nav-1{
    width: 150px;
    height: 80px;
    background: none;
    font-size:20px;
    color: white;
    float: left;
}

.nav-2{
    width: 880px;
    height: 80px;
    margin-left:200px;
    background: #060606;
    float: right;
}
.nav-2 ul li{
    display: inline;
    padding: 8px;
    color: white;
}

   .nav :hover{
        color: chocolate;
        font-weight: 500;
       -webkit-transform: 4s;

     }
    .banner{
       width: 1280px;
       height: 584px;
       background-repeat: no-repeat;

   }
